Registration Dossier
Registration Dossier
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EC number: 224-618-7 | CAS number: 4430-18-6
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Experimental Result
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other:
- Principles of method if other than guideline:
- The pH determination of test item Sodium 4-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthryl)amino]toluene-3-sulphonate (CAS No. 4430-18-6) was done as per the test guideline OECD 122
- GLP compliance:
- no
Test material
- Reference substance name:
- Sodium 4-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthryl)amino]toluene-3-sulphonate
- EC Number:
- 224-618-7
- EC Name:
- Sodium 4-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthryl)amino]toluene-3-sulphonate
- Cas Number:
- 4430-18-6
- Molecular formula:
- C21H15NO6S.Na
- IUPAC Name:
- sodium 2-[(4-hydroxy-9,10-dioxo-9,10-dihydroanthracen-1-yl)amino]-5-methylbenzenesulfonate
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- CAS No: 4430-18-6Name of the chemical: Sodium 4-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthryl)amino]toluene-3-sulphonate (Common name: Ext D&C Violet 2)Nature of chemical: Organic
Constituent 1
Results and discussion
pH value
- pH value:
- 6.68
- Temp.:
- 32 °C
- Concentration:
- 1 vol%
- Remarks on result:
- other: Neutral
Any other information on results incl. tables
The pH of 1% w/v aqueous solutionof the test item Sodium 4-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthryl)amino]toluene-3-sulphonate (CAS No. 4430-18-6) was determined to be 6.68 at 32 °C
Applicant's summary and conclusion
- Conclusions:
- The pH determination of test item Sodium 4-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthryl)amino]toluene-3-sulphonate (CAS No. 4430-18-6) was done following OECD guideline 122. pH of 1% w/v aqueous solution was measured with the help of pH meter and it was observed to be 6.68 at 32 °C.
- Executive summary:
The pH determination of test item Sodium 4-[(9,10-dihydro-4-hydroxy-9,10-dioxo-1-anthryl)amino]toluene-3-sulphonate (CAS No. 4430-18-6) was done following OECD guideline 122. pH of 1% w/v aqueou ssolution was measured with the help of pH meter and it was observed to be 6.68 at 32 °C indicating almost neutral pH of the 1% aqueous solution.
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